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Title: Dielectric properties of Na1−xKxNbO3, near x = 0.475 morphotropic phase region
Authors: Singh, Surendra
Negi, Jyotsana
Panwar, N S
Keywords: Ferroelectric;Perovskite;Dielectric properties;Piezoelectric properties;Morphotropic phase transition
Issue Date: Mar-2020
Publisher: NISCAIR-CSIR, India
Abstract: Sodium-potassium niobate (Na1−xKxNbO3) ceramic pellets, with x = 0.465, 0.470, 0.475, 0.480 and 0.485, were prepared by solid state reaction method with double sintering. With varying composition (x), the dielectric properties, X-ray diffraction peaks shifting pattern, in this system. Among the prepared compositions, a break in the X-ray diffraction peaks shifting tendency; minimum dielectric constant, loss tangent and dielectric conductivity indicate a morphotropic phase transition type behavior, at the composition with x = 0.475.
Page(s): 11-17
ISSN: 2581-8198 (Online)
Appears in Collections:AIR Vol.02(1) [March 2020]

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